Walli – 4K, HD Wallpapers & Backgrounds v2.8.4 (Premium) Apk: Walli – 4K, HD Wallpapers & Backgrounds v2.8.4 (Premium) Apk at andropark.info, New Feature! Automatic wallpaper changer: change your wallpaper in an automatic way with the new Walli Playlist feature. Select the images that you like, press PLAY and your wallpaper will shuffle automatically at